my great grandfather was christopher columbus coltrain.he lived in tennessee but was born in north carolina. his wife was sarah lawrence stallings, also of nc.their children were all born in tennessee. my grandfather was lawrence carlton coltrain. his siblings were homer c coltrain & harry columbus coltrain.they were living in alamo tn.harry& homer went to calif. and lc stayed in memphis where he died. can anybody tell me if these coltrains are of martin co? maybe i can also help someone.